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CVE-2024-47540

Gstreamer vulnerability

9.8 CRITICALEPSS 1.01%
  1. Published12 Dec 2024

Description

GStreamer is a library for constructing graphs of media-handling components. An uninitialized stack variable vulnerability has been identified in the gst_matroska_demux_add_wvpk_header function within matroska-demux.c. When size < 4, the program calls gst_buffer_unmap with an uninitialized map variable. Then, in the gst_memory_unmap function, the program will attempt to unmap the buffer using the uninitialized map variable, causing a function pointer hijack, as it will jump to mem->allocator->mem_unmap_full or mem->allocator->mem_unmap. This vulnerability could allow an attacker to hijack the execution flow, potentially leading to code execution. This vulnerability is fixed in 1.24.10.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Gstreamer< 1.24.10

Remediation

Fixed in
Gstreamer≥ 1.24.10

References

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Frequently asked

Is CVE-2024-47540 being actively exploited?

CVE-2024-47540 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.01%.

How severe is CVE-2024-47540?

CVE-2024-47540 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.01% probability of exploitation.

Which products are affected by CVE-2024-47540?

Affected products include Gstreamer.

How do I fix CVE-2024-47540?

Upgrade affected software to a fixed version, for example Gstreamer 1.24.10 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-47540 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.